WYZworks Hide-a-Key Realistic Looking Rock Key Safe Holder Stash away an extra key (or several) in this realistic looking rock! Easily blends in to your yard but only you will know where it is. Weatherproof and durable makes this the ideal hiding place for your key(s). Not Waterproof! Bottom compartment (approx 2.25" x 1.5" x 1") can store several keys, small documents or small items. Rock is 3.5" x 2.8" x 1.5"